The Revenant of Wrecker's Dock by Cora Buhlert

Strange things keep happening in the permanently fog-shrouded seaside town of Hallowind Cove, earning it the nickname "Harbour of the Weird".

When Paul comes Hallowind Cove, after inheriting an old house from an uncle he barely knew, he doesn't put much stock in those stories. But then he finds himself hunted by an angry zombie, who is looking to avenge a century-old crime...

This is a short story of 4300 words or approximately 16 pages.